diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/sr.c | 14 | ||||
-rw-r--r-- | drivers/scsi/st.c | 12 |
2 files changed, 13 insertions, 13 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index ba9c3e0387c..e148341079b 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -44,7 +44,6 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/mutex.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <asm/uaccess.h> @@ -76,6 +75,7 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_WORM); CDC_CD_R|CDC_CD_RW|CDC_DVD|CDC_DVD_R|CDC_DVD_RAM|CDC_GENERIC_PACKET| \ CDC_MRW|CDC_MRW_W|CDC_RAM) +static DEFINE_MUTEX(sr_mutex); static int sr_probe(struct device *); static int sr_remove(struct device *); static int sr_done(struct scsi_cmnd *); @@ -470,24 +470,24 @@ static int sr_block_open(struct block_device *bdev, fmode_t mode) struct scsi_cd *cd; int ret = -ENXIO; - lock_kernel(); + mutex_lock(&sr_mutex); cd = scsi_cd_get(bdev->bd_disk); if (cd) { ret = cdrom_open(&cd->cdi, bdev, mode); if (ret) scsi_cd_put(cd); } - unlock_kernel(); + mutex_unlock(&sr_mutex); return ret; } static int sr_block_release(struct gendisk *disk, fmode_t mode) { struct scsi_cd *cd = scsi_cd(disk); - lock_kernel(); + mutex_lock(&sr_mutex); cdrom_release(&cd->cdi, mode); scsi_cd_put(cd); - unlock_kernel(); + mutex_unlock(&sr_mutex); return 0; } @@ -499,7 +499,7 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, void __user *argp = (void __user *)arg; int ret; - lock_kernel(); + mutex_lock(&sr_mutex); /* * Send SCSI addressing ioctls directly to mid level, send other @@ -529,7 +529,7 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, ret = scsi_ioctl(sdev, cmd, argp); out: - unlock_kernel(); + mutex_unlock(&sr_mutex); return ret; } diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 24211d0efa6..afdc3f5d915 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -39,7 +39,6 @@ static const char *verstr = "20081215"; #include <linux/cdev.h> #include <linux/delay.h> #include <linux/mutex.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/dma.h> @@ -76,6 +75,7 @@ static const char *verstr = "20081215"; #include "st_options.h" #include "st.h" +static DEFINE_MUTEX(st_mutex); static int buffer_kbs; static int max_sg_segs; static int try_direct_io = TRY_DIRECT_IO; @@ -1180,7 +1180,7 @@ static int st_open(struct inode *inode, struct file *filp) int dev = TAPE_NR(inode); char *name; - lock_kernel(); + mutex_lock(&st_mutex); /* * We really want to do nonseekable_open(inode, filp); here, but some * versions of tar incorrectly call lseek on tapes and bail out if that @@ -1189,7 +1189,7 @@ static int st_open(struct inode *inode, struct file *filp) filp->f_mode &= ~(FMODE_PREAD | FMODE_PWRITE); if (!(STp = scsi_tape_get(dev))) { - unlock_kernel(); + mutex_unlock(&st_mutex); return -ENXIO; } @@ -1200,7 +1200,7 @@ static int st_open(struct inode *inode, struct file *filp) if (STp->in_use) { write_unlock(&st_dev_arr_lock); scsi_tape_put(STp); - unlock_kernel(); + mutex_unlock(&st_mutex); DEB( printk(ST_DEB_MSG "%s: Device already in use.\n", name); ) return (-EBUSY); } @@ -1249,14 +1249,14 @@ static int st_open(struct inode *inode, struct file *filp) retval = (-EIO); goto err_out; } - unlock_kernel(); + mutex_unlock(&st_mutex); return 0; err_out: normalize_buffer(STp->buffer); STp->in_use = 0; scsi_tape_put(STp); - unlock_kernel(); + mutex_unlock(&st_mutex); return retval; } |